Among 10 women with cervical cancer, medical records confirm a past history of herpes
simplex type II infection in eight. What is the relative risk of developing cervical cancer in women
with a history of HSV type II infection?
Key: True: c
In an outbreak of cholera in a village of 2,000 population, 20 cases have occurred and 5 die
Case fatality rate is:
Key: True: d